Actually it's a simple cellular tower that was built in 2005.

实际上，它仅仅是始建于2005年的一座非常普通的蜂窝式铁塔。

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It may instead be using "cell tower triangulation" to measure your distance from the nearest cellular network towers, or even doing a lookup from a database that maps wifi hotspots to GPS coordinates.

它或许通过最近的蜂窝塔或者是Wifi热点来测量你所在的位置。

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Bandwidth for 3g cellular may further be limited by cell tower bandwidth in some areas.

用于3g手机的带宽可能会进一步受到某些区域手机发射塔带宽的限制。

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The Street sees trouble here for the cellular tower companies, and for obvious reason: it would mean one less company looking for places to add infrastructure.

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Skyhook has amassed a database of 50 billion scanned records of Wi-Fi, cellular tower and GPS signals--a "map" of locations that captures 80% of the U.S. population.

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When it comes time to send them off to another destination, he goes back to his Palm VII and a cellular tower detects his location and directs him to the nearest dropoff.

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